The remote Ubuntu host is missing one or more security-related patches.

Description :

Andy Adamson discovered a flaw in the Linux kernel's NFSv4
implementation. A remote NFS server (attacker) could exploit this flaw
to cause a denial of service. (CVE-2011-4131)

A flaw was discovered in the Linux kernel's KVM (kernel virtual
machine). An administrative user in the guest OS could leverage this
flaw to cause a denial of service in the host OS. (CVE-2012-2121)

Schacher Raindel discovered a flaw in the Linux kernel's memory
handling when hugetlb is enabled. An unprivileged local attacker could
exploit this flaw to cause a denial of service and potentially gain
higher privileges. (CVE-2012-2133)

Stephan Mueller reported a flaw in the Linux kernel's dl2k network
driver's handling of ioctls. An unprivileged local user could leverage
this flaw to cause a denial of service. (CVE-2012-2313)

Timo Warns reported multiple flaws in the Linux kernel's hfsplus
filesystem. An unprivileged local user could exploit these flaws to
gain root system priviliges. (CVE-2012-2319)

Xi Wang discovered a flaw in the Linux kernel's i915 graphics driver
handling of cliprect on 32 bit systems. An unprivileged local attacker
could leverage this flaw to cause a denial of service or potentially
gain root privileges. (CVE-2012-2383)

Xi Wang discovered a flaw in the Linux kernel's i915 graphics driver
handling of buffer_count on 32 bit systems. An unprivileged local
attacker could leverage this flaw to cause a denial of service or
potentially gain root privileges. (CVE-2012-2384).

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